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1 /* |
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2 * Copyright (c) 1995, 2013, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 |
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26 package java.util.zip; |
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27 |
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28 /* |
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29 * This class defines the constants that are used by the classes |
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30 * which manipulate Zip64 files. |
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31 */ |
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32 |
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33 class ZipConstants64 { |
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34 |
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35 /* |
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36 * ZIP64 constants |
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37 */ |
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38 static final long ZIP64_ENDSIG = 0x06064b50L; // "PK\006\006" |
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39 static final long ZIP64_LOCSIG = 0x07064b50L; // "PK\006\007" |
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40 static final int ZIP64_ENDHDR = 56; // ZIP64 end header size |
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41 static final int ZIP64_LOCHDR = 20; // ZIP64 end loc header size |
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42 static final int ZIP64_EXTHDR = 24; // EXT header size |
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43 static final int ZIP64_EXTID = 0x0001; // Extra field Zip64 header ID |
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44 |
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45 static final int ZIP64_MAGICCOUNT = 0xFFFF; |
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46 static final long ZIP64_MAGICVAL = 0xFFFFFFFFL; |
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47 |
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48 /* |
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49 * Zip64 End of central directory (END) header field offsets |
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50 */ |
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51 static final int ZIP64_ENDLEN = 4; // size of zip64 end of central dir |
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52 static final int ZIP64_ENDVEM = 12; // version made by |
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53 static final int ZIP64_ENDVER = 14; // version needed to extract |
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54 static final int ZIP64_ENDNMD = 16; // number of this disk |
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55 static final int ZIP64_ENDDSK = 20; // disk number of start |
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56 static final int ZIP64_ENDTOD = 24; // total number of entries on this disk |
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57 static final int ZIP64_ENDTOT = 32; // total number of entries |
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58 static final int ZIP64_ENDSIZ = 40; // central directory size in bytes |
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59 static final int ZIP64_ENDOFF = 48; // offset of first CEN header |
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60 static final int ZIP64_ENDEXT = 56; // zip64 extensible data sector |
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61 |
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62 /* |
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63 * Zip64 End of central directory locator field offsets |
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64 */ |
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65 static final int ZIP64_LOCDSK = 4; // disk number start |
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66 static final int ZIP64_LOCOFF = 8; // offset of zip64 end |
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67 static final int ZIP64_LOCTOT = 16; // total number of disks |
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68 |
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69 /* |
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70 * Zip64 Extra local (EXT) header field offsets |
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71 */ |
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72 static final int ZIP64_EXTCRC = 4; // uncompressed file crc-32 value |
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73 static final int ZIP64_EXTSIZ = 8; // compressed size, 8-byte |
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74 static final int ZIP64_EXTLEN = 16; // uncompressed size, 8-byte |
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75 |
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76 /* |
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77 * Language encoding flag EFS |
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78 */ |
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79 static final int EFS = 0x800; // If this bit is set the filename and |
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80 // comment fields for this file must be |
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81 // encoded using UTF-8. |
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82 |
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83 /* |
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84 * Constants below are defined here (instead of in ZipConstants) |
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85 * to avoid being exposed as public fields of ZipFile, ZipEntry, |
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86 * ZipInputStream and ZipOutputstream. |
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87 */ |
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88 |
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89 /* |
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90 * Extra field header ID |
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91 */ |
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92 static final int EXTID_ZIP64 = 0x0001; // Zip64 |
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93 static final int EXTID_NTFS = 0x000a; // NTFS |
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94 static final int EXTID_UNIX = 0x000d; // UNIX |
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95 static final int EXTID_EXTT = 0x5455; // Info-ZIP Extended Timestamp |
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96 |
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97 /* |
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98 * EXTT timestamp flags |
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99 */ |
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100 static final int EXTT_FLAG_LMT = 0x1; // LastModifiedTime |
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101 static final int EXTT_FLAG_LAT = 0x2; // LastAccessTime |
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102 static final int EXTT_FLAT_CT = 0x4; // CreationTime |
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103 |
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104 private ZipConstants64() {} |
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105 } |